614.29% is the change from 42 to 300
Calculation steps:
[( 300 - 42 ) ÷ 42] x 100 = 614.29%
Formula
Percentage change = [(300 - 42) / 42] x 100
Subtract the new number by the original number
300 - 42 = 258
258 ÷ 42 = 6.142857142857143
6.142857142857143 x 100 = 614.29%